11658
Ewing, sir Alexander William Gordon
Hearing aids, lipreading and clear speech
Manchester
Manchester University Press
1967
x, 118p.:ill
Bibliography: p. 113
by sir Alexander Ewing and Lady Ethel C.Ewing
Deaf - Means of communication
HV
2487
.
E9
AU
AU Ewing, Ethel Constance )Goldsack( Lady, joint author
TI
ED
